Researchers developed a novel adaptive optics approach to correct dynamical aberrations in optical microscopy, enabling accurate three-dimensional flow measurements. The system reduces measurement uncertainty, paving the way to better understanding water droplet formation and detachment mechanisms for fuel cells.
Scientists use a compact tabletop EUV source to generate directional and spatially moderately coherent illumination for reconstruction in diffractive imaging. This approach enables high-resolution defect identification without relying on expensive imaging systems.
The multispectral smart window technology regulates visible light while blocking microwave signals, improving energy savings and privacy protection. It outperforms existing technologies in response time, transmittance adjustment range, haze adjustment range, driving voltage, and optical modulation mode.
Researchers leverage deep learning networks to recover and enhance compromised metrics in biophotonic image data. This approach improves imaging speed and quality, allowing for high-fidelity all-in-focus images and efficient reconstruction with reduced data acquisition.
Researchers develop phonon lasers with enhanced power and precision, paving the way for real-world applications in medical imaging and deep-sea exploration. The breakthrough enables more sensitive and less harmful medical imaging techniques and improved communication and navigation for deep-sea vehicles.
Scientists create integrated metadevice that combines optical and terahertz metasurfaces, enabling 2-bit terahertz code modulation with ultrafast modulation within 1 ns. The device uses photonic crystals to control its non-radiative loss for ultrafast modulation behavior.
The study reveals the link between chirality and heat exchange in a quantum system, highlighting the role of non-adiabatic transitions and the Landau-Zener-Stückelberg process. The experiment paves the way for new explorations in quantum thermodynamics and efficient quantum chiral devices.
A new method, MS-PSI, enables dynamic 3D reconstruction under complex optical field reflection and transmission conditions. It successfully measures depth accurately and dynamically in scenarios with interreflection, subsurface scattering, and thin volumetric media.
The researchers successfully generated dual-polarized terahertz vortex combs by designing a polarization-multiplexed meta-atoms structure and controlling the mode number, position, and interval of the vortex combs. This achievement promotes the development of ultra-high-capacity terahertz multi-mode communication technology.
A team of international researchers has proposed a metasurface capable of efficiently modulating light polarization, achieving notable amplitude (400%) and phase (90°) variations under low-power photoexcitation. This new material enables the transient modification of optical properties in ultrafast timescales.
Researchers developed a non-volatile photonic-electronic memory chip using micro-ring resonator and integrated thin-film ferroelectric material, overcoming dual-mode operation challenge. The chip features low operating voltage, large memory window, high endurance, and multi-level storage capability.
Researchers develop femtosecond laser sheet-compressed ultrafast photography (fsLS-CUP) to capture ultrafast dynamics in flames. The technique enables simultaneous imaging of soot particles and polycyclic aromatic hydrocarbons (PAHs), revealing their formation and growth in flames.
Researchers have developed a new accuracy verification methodology for ultra-large aperture mirrors using computer-generated hologram (CGH), achieving nanometer-level accuracy. The method uses an equivalent element to test the mirror's surface shape accuracy, overcoming aperture limitations and enabling reliable testing.
Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.
A team of researchers developed a novel imaging system to address real-time monitoring challenges in ultrafast laser material processing. The Dual-Path Snapshot Compressive Microscopy (DP-SCM) system offers high-speed, high-resolution imaging capabilities.
A new fabrication method has been developed to create highly sensitive flexible capacitive pressure sensors. The technique uses laser speckle grayscale lithography and results in sensors with ultra-high sensitivity and low detection thresholds.
Scientists have created an ultra-thin light source emitting pairs of polarization-entangled photons, enabling ultra-secure communication and powerful computation. The breakthrough material, 3R-WS2, facilitates the search for superior quantum materials, bringing quantum technology closer to reality.
A new scheme extends temporal ghost imaging to arbitrary wavelengths, enabling flexible operation in the mid-infrared. Computational TGI allows for scan-free imaging and studying ultrafast dynamics.
Researchers developed a new label-free photothermal microscopy technique using microtoroid optical resonators to detect single nanoparticles. The system achieved high sensitivity and discrimination capabilities, outperforming traditional fluorescence-based methods.
A team of scientists developed a flexible mode-switching system utilizing an optical neural network chip to switch between different Orbital Angular Momentum (OAM) modes in a multimode fibre. The system achieved low-crosstalk mode switching, enabling efficient and flexible optical networks capable of meeting growing demands.
Researchers developed organic polariton light-emitting diodes (OPLEDs) to overcome OLED limitations, achieving high-brightness, narrowband, and high-color purity emission. OPLEDs showcase exceptional performance in next-generation laser displays with over 780,000 cd/m² brightness.
Hot carriers are electrons with a surplus of energy generated by light in plasmonic nanostructures, enabling novel applications and driving chemical reactions at the surface. Harnessing their power could lead to ultrafast electronics, efficient solar cells, and precise nanomedicine applications.
Researchers from the University of Electronic Science and Technology of China and Nanyang Technological University in Singapore have successfully created an electromagnetic vortex cannon using coaxial horn antennas. The device produces air vortices with remarkable resilience and self-healing properties, showcasing complex topological f...
A team of scientists has successfully established the first intercity quantum key distribution experiment using semiconductor quantum dots as single-photon sources. This breakthrough enables fast and stable transmission of secret keys over long distances, paving the way for a secure 'quantum internet'.
Researchers developed a high-quality transferred barium titanate ferroelectric hybrid integrated modulator on silicon, overcoming limitations in light modulation. The new method enables optimized thickness and rotation angle to enhance EO modulation efficiency, achieving V π L as low as 1.67 V˜m.
Researchers have developed a novel deconvolution method called multi-resolution analysis (MRA) that improves image quality without introducing artifacts, allowing for high-fidelity imaging of cells and their processes. The approach capitalizes on the physical properties of excited fluorophores to distinguish useful signals from noise.
Researchers developed a new phase characterization method for metalenses based on multi-distance phase retrieval through optical field scanning. This innovative approach overcomes traditional interferometric techniques' limitations, enabling the measurement of phase distributions and wavefront errors with higher accuracy.
Researchers develop a general strategy for fabricating vertically stacked skin-like active-matrix displays, eliminating obstacles in existing parallel structures. This approach enables the creation of high-quality AMOLEDs with ultrahigh aperture ratios and improved resolution.
Scientists have developed a UCNPs/Cu x OS@ZIF nanocomposite probe for in vitro H2S sensing and in vivo imaging. The probe uses a zeolitic framework to selectively detect H2S, eliminating interference from other molecules.
A pyramid-structured diffractive optical network has been developed to achieve unidirectional image magnification and demagnification. The system uses successive transmissive layers optimized through deep learning to perform computational tasks in an all-optical manner.
A new mixed physical node reservoir computing system uses artificial light-emitting synapses to effectively extract spatiotemporal characteristics of input signals. The device achieves over 97% recognition accuracy in image classification tasks and improves multi-channel image recognition from 93.16% to 99.25%.
A new quantum light source has been developed that generates exceptionally bright, entangled photons, paving the way for more efficient and secure quantum networks. This breakthrough technology promises to revolutionize various fields, including ultra-secure communication and unbreakable encryption.
A review article discusses optimization algorithms for computer-generated holography (CGH), improving hologram reconstructing accuracy. Non-convex optimization methods are applied to seek optimal solutions, addressing the ill-posed inverse problem in CGH.
Researchers create a new yellow-green luminescent material to address growing industrial demand for brighter afterglow. They successfully apply an electric field stimulation method, increasing the initial luminance of the SrAl2O4:Eu2+,Dy3+ phosphor and demonstrating its potential for high brightness long afterglow emission.
Researchers developed a microscopic theory for ultrafast stimulated Raman spectroscopy with quantum-light fields, enabling high-speed imaging of molecules. The technique leverages the quantum advantages of entangled photon sources to enhance both temporal and spectral resolution.
A new method combines machine vision, deep learning, and nonlinear conversion to increase information capacity in machine learning-based ultra-accurate information networks. The system can achieve low bit error rates and high data recognition accuracy even with complex light fields.
The study compares simpler-to-implement nonlinear encoding strategies with the performance of data repetition-based methods, revealing that data repetition enhances inference accuracy but compromises universal linear transformation capability. Phase encoding without data repetition offers a simpler alternative with comparable inference...
Researchers have developed a novel time-of-flight resolved stimulated Raman scattering microscopy that uses counter-propagating ultraslow Bessel light bullets for deeper tissue imaging. The technique offers high spatial resolution and improved penetration depth without the need for mechanical z-scanning.
Researchers developed CECEM spectroscopy to measure chirality's 'handedness', which affects biological molecule function. The technique offers high spectral resolution, saving time and reducing errors in chiroptical analysis.
This breakthrough enables generation and manipulation of light with both spin and orbital angular momentum at terahertz frequencies. The new technique holds promise for advancing terahertz technologies in fields like spectroscopy, sensing, and communication.
Scientists develop stable and efficient hybrid light-emitting diodes combining perovskite and organic technologies. The new LEDs boast a narrow emission spectrum, high luminance, and an operational half-lifetime exceeding 42,000 hours.
Scientists have developed a new technique to create four-dimensional qudits that can transmit more data in a single go, promising a future quantum internet with faster data transfer rates and increased resistance to errors.
Scientists develop effective approach to enhance EL efficiency and color purity of hyperfluorescence OLEDs using blue MR-TADF emitters. By separating TADF sensitizer and emitter into adjacent layers, they achieve outstanding external quantum efficiencies of up to 38.8%.
Researchers developed a new material that combines quantum dots with blue phase liquid crystal elastomers (BPLCE), enabling visualized full-color circularly polarized luminescence (CPL) with a record-breaking g_lum value of up to 0.74. The material's CPL signal is mechanically switchable, meaning it can be turned on and off by applying...
Researchers developed EventLFM, a novel ultrafast 3D imaging technique that integrates an event camera with Fourier light field microscopy to capture dynamic biological processes at kHz speeds. The technique was demonstrated in experiments capturing complex dynamics of rapidly moving 3D objects and imaging high-frequency blinking objects.
A new type of imager has been created that can capture features smaller than half the wavelength of light using solid-immersion diffractive encoding. The imager has a compact design and can directly perform quantitative phase retrieval without computer processing.
Scientists have developed a quasicrystal metasurface that projects holographic images and creates unique diffraction patterns. This innovative design simplifies device design and offers precise control over light manipulation, paving the way for high-resolution thin holographic displays, ultra-fast light-switching devices, and advanced...
Scientists have successfully created an optical analog of the Kármán vortex street (KVS), a classical flow pattern of swirling vortices. The optical KVS pulse exhibits fascinating parallels with fluid transport, allowing for potential applications in metrology, telecommunications, and LiDAR.
Researchers developed a laser-based 3D printing method to fabricate high-quality micro-spheres for enhanced optical resolution. The new approach enabled the creation of a micro-sphere with near-perfect geometric quality and exceptional surface smoothness.
Researchers develop ultrafast wavemeter based on multimode and multicore fibers, enabling high-speed wavelength measurements. The new method achieves a spectral measurement speed of 100MHz while maintaining a high resolution of 2.7pm.